Finding the Fourth Proportional to 42,471,057.60, 63,666,228.96 and 27,075,134.88
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Solution
The fourth proportional to 42,471,057.60, 63,666,228.96 and 27,075,134.88 is: 40,586,974.61
Step by Step Solution
- Step 1: Write the proportion equation
42,471,057.60 : 63,666,228.96 = 27,075,134.88 : x - Step 2: Convert to fraction form
42,471,057.60/63,666,228.96 = 27,075,134.88/x - Step 3: Cross multiply
42,471,057.60x = 63,666,228.96 × 27,075,134.88 - Step 4: Simplify right side
42,471,057.60x = 1,723,771,736,392,962 - Step 5: Solve for x
x = 1,723,771,736,392,962/42,471,057.60 - Step 6: Final answer
x = 40,586,974.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.